<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card class="box-card">
      <!-- 搜索与添加区域-->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addUserVisible=true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表 -->
      <el-table :data="userlist" style="width: 100%" border stripe>
        <el-table-column type="index" width="50"></el-table-column>
        <el-table-column prop="username" label="姓名" width="180"></el-table-column>
        <el-table-column prop="email" label="邮箱" width="180"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column label="状态">
          <template v-slot="scoped">
            <!-- {{scoped.row}} -->
            <el-switch v-model="scoped.row.mg_state" @change="userStatusChange(scoped.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template v-slot="scoped">
            <!-- {{scoped.row.id}} -->
            <!-- 修改按钮 -->
            <el-button
              size="mini"
              type="primary"
              icon="el-icon-edit"
              @click="getUserInfoById(scoped.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              size="mini"
              type="danger"
              icon="el-icon-delete"
              @click="delUserById(scoped.row.id)"
            ></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip class="item" effect="dark" content="分配角色" placement="top">
              <el-button
                size="mini"
                type="warning"
                icon="el-icon-setting"
                @click="showSetRoleDialog(scoped.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
      <!-- 添加用户的对话框 -->
      <el-dialog title="添加用户" :visible.sync="addUserVisible" width="50%" @close="addFormClose">
        <!-- 添加用户表单 -->
        <el-form ref="addFormRef" :model="addForm" label-width="80px" :rules="addFormRules">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="addUserVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUserForm">确 定</el-button>
        </span>
      </el-dialog>
      <!-- 修改用户的对话框 -->
      <el-dialog title="修改用户" :visible.sync="editUserVisible" width="50%" @close="editFormClose">
        <!-- 修改用户表单 -->
        <el-form ref="editFormRef" :model="editForm" label-width="80px" :rules="addFormRules">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editUserVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserForm">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 分配角色的对话框 -->
      <el-dialog title="分配角色" :visible.sync="setRoleVisible" width="40%" @close="RoleDialogCloses">
        <div>
          <p>当前的用户： {{userInfo.username}}</p>
          <p>当前的角色： {{userInfo.role_name}}</p>
          <p>
            分配新角色:
            <el-select v-model="selectedRoleId" placeholder="请选择">
              <el-option
                v-for="item in roleList"
                :key="item.id"
                :label="item.roleName"
                :value="item.id"
              ></el-option>
            </el-select>
          </p>
        </div>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRoleVisible = false">取 消</el-button>
          <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    // 定义手机号和邮箱的校验规则
    var checkEmail = (rule, value, callback) => {
      return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/.test(value)
        ? callback()
        : callback(new Error("请输入合法的邮箱"));
    };
    var checkMobile = (rule, value, callback) => {
      return /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/.test(
        value
      )
        ? callback()
        : callback(new Error("请输入合法的手机号"));
    };
    return {
      // 用户列表
      userlist: [],
      // 获取用户列表数据
      queryInfo: {
        query: "",
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 2,
      },
      // 总数
      total: 0,
      // 控制添加用户对话框的布尔值
      addUserVisible: false,
      // 控制修改用户对话框的布尔值
      editUserVisible: false,
      // 控制分配角色对话框的显示与隐藏
      setRoleVisible: false,
      // 添加用户的对象
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      // 修改用户的对象
      editForm: {
        username: "",
        email: "",
        mobile: "",
      },
      // 添加用户校验规则
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      roleList: [],
      // 已选中的角色Id值
      selectedRoleId: "",
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });

      if (res.meta.status !== 200) {
        return this.$message.error("获取用户列表失败");
      }
      this.userlist = res.data.users;
      this.total = res.data.total;
      console.log(res);
    },
    // 修改每页显示多少条  pagesize改变触发的函数
    handleSizeChange(newVal) {
      this.queryInfo.pagesize = newVal;
      // 重新发送请求
      this.getUserList();
    },
    // pagenum发生变化触发的函数
    handleCurrentChange(newVal) {
      this.queryInfo.pagenum = newVal;
      // 重新发送请求
      this.getUserList();
    },
    // 修改用户状态
    async userStatusChange(info) {
      console.log(info);
      const { data: res } = await this.$http.put(
        `users/${info.id}/state/${info.mg_state}`
      );
    
      if (res.meta.status !== 200) {
        return this.$message.error("更改状态失败");
      }
      this.$message.success("更改状态成功");
    },
    // 关闭添加用户的对话框重置表单
    addFormClose() {
      this.$refs.addFormRef.resetFields();
    },
    // 修改用户
    editFormClose() {
      this.$refs.editFormRef.resetFields();
    },
    // 添加用户
    addUserForm() {
      this.$refs.addFormRef.validate(async (boo) => {
        // 预校验
        if (!boo) return this.$message.error("请填写完整信息");

        // 发送请求
        const { data: res } = await this.$http.post("users", this.addForm);
        console.log(res);
        if (res.meta.status !== 201) return this.$message.error("添加用户失败");
        this.$message.success("添加用户成功");

        //重新加载数据
        this.getUserList();

        // 关闭对话框
        this.addUserVisible = false;
      });
    },
    // 根据id查询用户信息
    async getUserInfoById(id) {
      // 打开对话框
      this.editUserVisible = true;

      const { data: res } = await this.$http.get(`users/${id}`);
      console.log(res);
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户信息失败");
      }
      this.editForm = res.data;
    },
    // 提交修改的用户信息
    editUserForm() {
      // 1.预校验
      this.$refs.editFormRef.validate(async (boo) => {
        if (!boo) {
          return this.$message.error("请输入合法信息");
        }
        // 2.发送请求

        const { data: res } = await this.$http.put(
          `users/${this.editForm.id}`,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        );

        if (res.meta.status !== 200) {
          return this.$message.error("更新用户信息失败");
        }
        this.$message.success("更新用户信息成功");
        // 3.关闭对话框
        this.editUserVisible = false;
        // 重新渲染页面
        this.getUserList();
      });
    },
    // 删除用户信息
    async delUserById(id) {
      console.log(id);
      // 提示对话框
      const res = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);
      // confirm 表示点击的是确认按钮
      // cancel  表示点击的是取消按钮
      if (res != "confirm") {
        return this.$message.info("已取消删除");
      }
      // 发送删除的请求
      const { data: result } = await this.$http.delete("users/" + id);
      console.log(result);
      if (result.meta.status !== 200) {
        return this.$message.error("删除用户失败,请稍后重试");
      }
      this.$message.success("删除用户成功");
      // 重新加载数据
      this.getUserList();
    },
    // 展示分配角色的对话框
    async showSetRoleDialog(role) {
      console.log(role);
      // 将传递过来的数据存储在data中
      this.userInfo = role;

      // 在展示对话框之前,获取所有的角色列表

      const { data: res } = await this.$http.get("roles");
      console.log(res);
      if (res.meta.status !== 200) {
        return this.$message.error("获取角色列表失败");
      }

      this.roleList = res.data;

      this.setRoleVisible = true;
    },
    // 关闭分配角色对话框将表单清空
    RoleDialogCloses() {
      this.selectedRoleId = "";
    },
    // 点击按钮,分配角色
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error("请选择要分配的角色");
      }
      // 发送请求
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId,
        }
      );
      // 提示用户
      if (res.meta.status !== 200) {
        return this.$message.error("分配角色失败");
      }
      this.$message.success("分配角色成功");
      // 刷新页面
      this.getUserList();
      // 关闭对话框
      this.setRoleVisible = false;
    },
  },
};
</script>

<style lang="less" scoped>
</style>